fix date

Author: cscheid

docs/blog/posts/2025-04-28-1.7-release/index.qmd

@@ -6,7 +6,7 @@ categories:
   - Quarto 1.7
   - Releases
 author: Charlotte Wickham
-date: "xx/xx/2025"
+date: "2025-04-28"
 draft: false
 image: thumbnail-1.7.jpeg
 image-alt: "Quarto 1.7: half the Quarto logo is light on dark, the other half dark on light"